<template>
  <div>
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="courseQuery.title" placeholder="课程名称"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="courseQuery.status" clearable placeholder="课程状态">
          <el-option value="Normal" label="已发布"/>
          <el-option value="Draft" label="未发布"/>
        </el-select>
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getCourse()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>


    <el-table
    :data="list"
    border
    fit
    highlight-current-row>

    <el-table-column
    label="序号"
    width="70"
    align="center">
    <template slot-scope="scope">
    {{ (page - 1) * limit + scope.$index + 1 }}
    </template>
    </el-table-column>

    <el-table-column prop="title" label="课程名称" />

    <el-table-column label="课程状态" >
    <template slot-scope="scope">
    {{ scope.row.status==='Normal'?'已发布':'未发布' }}
    </template>
    </el-table-column>

    <el-table-column prop="lessonNum" label="课时数" />

    <el-table-column prop="gmtCreate" label="添加时间" />

    <el-table-column prop="viewCount" label="浏览数量" />

    <!--<el-table-column prop="sort" label="排序" width="60" />-->

    <el-table-column label="操作" width="450" align="center">
    <template slot-scope="scope">
    <router-link :to="'/course/info/'+scope.row.id">
    <el-button type="primary" size="mini" icon="el-icon-edit">编辑课程基本信息</el-button>
    </router-link>
    <router-link :to="'/course/chapter/'+scope.row.id">
    <el-button type="primary" size="mini" icon="el-icon-edit">编辑课程大纲息</el-button>
    </router-link>
    <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除课程信息</el-button>
    </template>
    </el-table-column>
    </el-table>
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getCourse"
    />
  </div>
</template>
<script>
  import  teacher from '@/api/teacher/teacher'
  import course from '@/api/edu/course'
  export  default {
    data(){
      return{
        list:null,
        page: 1,
        limit:3,
        total:0,
        courseQuery:{}
      }
    },
    created(){
      this.getCourse();
    },
    methods:{
      getList(page =1){
        this.page=page
        teacher.getPageList(this.page,this.limit,this.teacherQuery)
          .then(r=>{
            console.log(r)
            this.list=r.data.rows;
            this.total=r.data.total;
          })
          .catch(error=>{
            console.log(error)
          })
      },
      getCourse(page =1){
        this.page=page
        course.findAllCourse(this.page,this.limit,this.courseQuery).then(r=>{
          this.list=r.data.rows;
          this.total=r.data.total;
        })
      },
      resetData() {
        this.courseQuery = {}
        this.getCourse()
      },
      removeDataById(id) {
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          return course.removeById(id)
        }).then(() => {
          this.getCourse()
          this.$message({
            type: 'success',
            message: '删除成功!',
          })
        })
      }
    }

  }
</script>
